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 comp.lang.java.advocacy,comp.object,comp.lang.ada,misc.misc,comp.software-eng
From: The Ghost In The Machine <ewill@sirius.athghost7038suus.net>
Subject: Re: Quality systems (Was: Using Ada for device drivers? (Was: the Ada
 mandate, and why it collapsed and died))
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Date: Fri, 23 May 2003 05:18:37 GMT
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Xref: archiver1.google.com comp.lang.java.advocacy:64427 comp.object:63887
 comp.lang.ada:37667 misc.misc:14363 comp.software-eng:19353
Date: 2003-05-23T05:18:37+00:00
List-Id: <comp.lang.ada>

In comp.lang.java.advocacy, Hyman Rosen
<hyrosen@mail.com>
 wrote
on Wed, 21 May 2003 10:22:10 -0400
<1053526931.61358@master.nyc.kbcfp.com>:
> The Ghost In The Machine wrote:
>> The problem is that if one defines
>> #define begin(a) (a)
>> #define end(a) ((a) + sizeof(a)/sizeof((a)[0]))
> 
> You really did miss my other post, didn't you? :-)
>      template <typename T, size_t N> T *begin(T (&a)[N]) { return a;     }
>      template <typename T, size_t N> T *end  (T (&a)[N]) { return a + N; }
> Using array references prevents the decay to pointer and
> allows both the array size and type to be deduced.
> 

Oops.  You're absolutely right!  I'll admit, though, that
I'm not entirely sure what the function calls (as opposed
to the function defs above) would look like.

Probably

begin<int, 10>(a)
end<int, 10>(a)

which isn't very pretty looking either.

However, it turns out, strangely enough, that

int a[10];

begin(a)
end(a)

actually does in fact work on g++, so hopefully you'll forgive me. :-)
It's certainly an interesting capability.

(What do these look like in C#?)

-- 
#191, ewill3@earthlink.net
It's still legal to go .sigless.